Iron Temp Control
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Which will rust iron the fastest? iodine, alcohol, or salt (solutions)?
I have to write a hypothesis for an experiment write-up but I want some of your opinions on which will rust iron the fastest? iodine solution (1% iodine), ethanol solution (95% ethanol), saturated salt solution (25%, 3.01g salt) or deionized water (as the control)... please give some reasons why. Each solution is set at three temperatures also... -1*c (freezer), 24*c (room temp), and 60*c (water bath). So you can see I have two independent variables... it's quite complicated.
Thanks so much.
A temperature increase will increase the rate of rusting (as it will with all reactions), but also the presence of an ionic solute will speed it up considerably. However, simple molecular solutes will do nothing to increase the conductivity of the water on the surface of the metal - that is the key concept.
Panasonic Iron NI-W810CS Steam & Dry
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